hello .dear please i need your support we have hsc02 we got this fault F2820 it means the driver Maximum value thermal load of braking resistor but when we open and cheked the resistance it is good equile 28hom as shoing in driver can you sher the solution please and for the second question we have new intrwork same referance we whent to gest backup from the old one then download it for the second please shear the proceuder and thanks you